Show icons for custom menuitems in contextmenu.

chrome/browser/renderer_context_menu/spelling_menu_observer_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_context_menu/spelling_menu_observer.h"
 
 #include <vector>
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 38 matching lines @@
   void AddMenuItem(int command_id, const base::string16& title) override;
   void AddCheckItem(int command_id, const base::string16& title) override;
   void AddSeparator() override;
   void AddSubMenu(int command_id,
                   const base::string16& label,
                   ui::MenuModel* model) override;
   void UpdateMenuItem(int command_id,
                       bool enabled,
                       bool hidden,
                       const base::string16& title) override;
+  void SetIcon(int command_id, const gfx::Image& icon) override {};
   RenderViewHost* GetRenderViewHost() const override;
   WebContents* GetWebContents() const override;
   content::BrowserContext* GetBrowserContext() const override;
 
   // Attaches a RenderViewContextMenuObserver to be tested.
   void SetObserver(RenderViewContextMenuObserver* observer);
 
   // Returns the number of items added by the test.
   size_t GetMenuSize() const;
 
@@ skipping 399 matching lines @@
   ForceSuggestMode();
   InitMenu("asdfkj", NULL);
 
   // Should have at least 2 entries. Separator, suggestion.
   EXPECT_LT(2U, menu()->GetMenuSize());
   menu()->GetMenuItem(0, &item);
   EXPECT_EQ(-1, item.command_id);
   menu()->GetMenuItem(1, &item);
   EXPECT_EQ(IDC_CONTENT_CONTEXT_SPELLING_SUGGESTION, item.command_id);
 }